package com.mmall.controller.portal;

import com.mmall.common.Const;
import com.mmall.common.ResponseCode;
import com.mmall.common.ServerResponse;
import com.mmall.pojo.User;
import com.mmall.service.IUserService;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.stereotype.Controller;
import org.springframework.web.bind.annotation.RequestMapping;
import org.springframework.web.bind.annotation.RequestMethod;
import org.springframework.web.bind.annotation.ResponseBody;

import javax.servlet.http.HttpSession;

@Controller
@RequestMapping("/user")
public class UserController {

    @Autowired
    private IUserService iUserService;

    /**
     * 用户登录
     * @param username
     * @param password
     * @param session
     * @return
     */
    @RequestMapping(value = "login.do", method = RequestMethod.POST)
    @ResponseBody
    public ServerResponse<User> login(String username, String password, HttpSession session){
        ServerResponse<User> res = iUserService.login(username,password);
        if(res.isSuccess()){
            session.setAttribute(Const.CURRENT_USER, res.getData());
        }
        return res;
    }

    /**
     * 用户注销
     * @param session
     * @return
     */
    @RequestMapping(value = "logout.do", method = RequestMethod.POST)
    @ResponseBody
    public ServerResponse<String> logout(HttpSession session) {
        session.removeAttribute(Const.CURRENT_USER);
        return ServerResponse.createBySuccess();
    }

    /**
     * 用户注册
     * @param user
     * @return
     */
    @RequestMapping(value = "register.do", method = RequestMethod.POST)
    @ResponseBody
    public ServerResponse<String> register(User user){
        return iUserService.register(user);
    }

    /**
     * 校验
     * @param str
     * @param type
     * @return
     */
    @RequestMapping(value = "check_valid.do", method = RequestMethod.POST)
    @ResponseBody
    public ServerResponse<String> checkValid(String str ,String type){
        return iUserService.checkValid(str, type);
    }


    /**
     * 从session中获取用户信息
     * @param session
     * @return
     */
    @RequestMapping(value = "get_user_info.do", method = RequestMethod.POST)
    @ResponseBody
    public ServerResponse<User> getUserInfo(HttpSession session){
        User user = (User) session.getAttribute(Const.CURRENT_USER);
        if(user != null){
            return ServerResponse.createBySuccess(user);
        }
        return ServerResponse.createByErrorMessage("用户未登录,无法获取当前用户的信息");
    }


    /**
     * 获取密码提示问题
     * @param username
     * @return
     */
    @RequestMapping(value = "foget_get_question.do", method = RequestMethod.POST)
    @ResponseBody
    public ServerResponse<String> forgetGetQuestion(String username){
        return iUserService.selectQuestion(username);
    }

    /**
     * 验证密码提示答案
     * @param username
     * @param question
     * @param answer
     * @return
     */
    @RequestMapping(value = "foget_check_answer.do", method = RequestMethod.POST)
    @ResponseBody
    public ServerResponse<String> forgetCheckAnswer(String username, String question, String answer){
        return iUserService.checkAnswer(username,question,answer);
    }

    /**
     * 重置密码
     * @param username
     * @param passwordNew
     * @param forgetToken
     * @return
     */
    @RequestMapping(value = "forget_reset_password.do", method = RequestMethod.POST)
    @ResponseBody
    public ServerResponse<String> forgetResetPassword(String username, String passwordNew, String forgetToken){
        return iUserService.forgetResetPassword(username,passwordNew,forgetToken);
    }

    /**
     * 重置密码
     * @param session
     * @param passwordOld
     * @param passwordNew
     * @return
     */
    @RequestMapping(value = "reset_password.do", method = RequestMethod.POST)
    @ResponseBody
    public ServerResponse<String> resetPassword(HttpSession session, String passwordOld, String passwordNew){
        User user = (User)session.getAttribute(Const.CURRENT_USER);
        if(user == null){
            return ServerResponse.createByErrorMessage("用户未登录");
        }
        return iUserService.resetPassword(passwordOld,passwordNew,user);
    }

    /**
     * 更新个人信息
     * @param session
     * @param user
     * @return
     */
    @RequestMapping(value = "update_infomation.do", method = RequestMethod.POST)
    @ResponseBody
    public ServerResponse<User> updateInfomation(HttpSession session, User user){
        User currentUser = (User)session.getAttribute(Const.CURRENT_USER);
        if(currentUser == null){
            return ServerResponse.createByErrorMessage("用户未登录");
        }
        user.setId(currentUser.getId());
        //TODO 这里是否有问题呢? 这里设置了,但是service中并没有设置(2018年6月17日),
        // 是我想错了: 这里设置username和上面设置id是一样的道理的,都是忽略前台传递的数据,也即"id","username"是不允许修改的
        user.setUsername(currentUser.getUsername());
        ServerResponse<User> response = iUserService.updateInfomation(user);
        if(response.isSuccess()){
            session.setAttribute(Const.CURRENT_USER, response.getData());
        }
        return response;
    }

    /**
     * 获取个人信息
     * @param session
     * @return
     */
    @RequestMapping(value = "get_infomation.do", method = RequestMethod.POST)
    @ResponseBody
    public ServerResponse<User> getInformation(HttpSession session){
        User currentUser = (User)session.getAttribute(Const.CURRENT_USER);
        if(currentUser == null){
            return ServerResponse.createByErrorCodeMessage(
                    ResponseCode.NEED_LOGIN.getCode(),
                    "用户未登录,status=10");
        }
        return iUserService.getInformation(currentUser.getId());
    }

}
